In Croatia, Zanco families are mainly Italians (from Umag ), less frequently Croats (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
About 10 people with faimily name Zanco live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Pula (<10), Umag (<5), and in Vizintini in Buzet area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1927 in source Emigration Commission Zagreb.